CN1058696C - 精制甲缩醛的方法 - Google Patents

精制甲缩醛的方法 Download PDF

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Publication number
CN1058696C
CN1058696C CN95195524A CN95195524A CN1058696C CN 1058696 C CN1058696 C CN 1058696C CN 95195524 A CN95195524 A CN 95195524A CN 95195524 A CN95195524 A CN 95195524A CN 1058696 C CN1058696 C CN 1058696C
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CN
China
Prior art keywords
methylal
weight
gas
water
methanol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN95195524A
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English (en)
Chinese (zh)
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CN1160392A (zh
Inventor
田中义勇
山本繁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Corp
Original Assignee
Asahi Kasei Kogyo KK
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Application filed by Asahi Kasei Kogyo KK filed Critical Asahi Kasei Kogyo KK
Publication of CN1160392A publication Critical patent/CN1160392A/zh
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Publication of CN1058696C publication Critical patent/CN1058696C/zh
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/48—Preparation of compounds having groups
    • C07C41/58—Separation; Purification; Stabilisation; Use of additives

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
CN95195524A 1994-10-07 1995-09-28 精制甲缩醛的方法 Expired - Lifetime CN1058696C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6243662A JP2786823B2 (ja) 1994-10-07 1994-10-07 メチラ−ルの精製法
JP243662/1994 1994-10-07
JP243662/94 1994-10-07

Publications (2)

Publication Number Publication Date
CN1160392A CN1160392A (zh) 1997-09-24
CN1058696C true CN1058696C (zh) 2000-11-22

Family

ID=17107144

Family Applications (1)

Application Number Title Priority Date Filing Date
CN95195524A Expired - Lifetime CN1058696C (zh) 1994-10-07 1995-09-28 精制甲缩醛的方法

Country Status (6)

Country Link
US (1) US6160185A (enrdf_load_stackoverflow)
EP (1) EP0785182B1 (enrdf_load_stackoverflow)
JP (1) JP2786823B2 (enrdf_load_stackoverflow)
CN (1) CN1058696C (enrdf_load_stackoverflow)
DE (1) DE69514535T2 (enrdf_load_stackoverflow)
WO (1) WO1996011178A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101302143B (zh) * 2007-05-10 2012-05-23 南京林业大学 工业级甲缩醛的提纯方法

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6379507B1 (en) * 1998-08-03 2002-04-30 Asahi Kasei Kabushiki Kaisha Process for producing methylal
DE102004059334A1 (de) * 2004-12-09 2006-06-22 Ticona Gmbh Verfahren zur Herstellung von Acetalen
CN100383099C (zh) * 2006-02-15 2008-04-23 江阴市华凤化工植绒有限公司 将低浓度甲缩醛脱除杂质获得高纯度甲缩醛的方法
CN101597117B (zh) * 2009-06-23 2011-08-03 南京大学 一种工业甲醛废水的治理及资源化回收工艺
CN101857534A (zh) * 2010-06-03 2010-10-13 濮阳市普天化工有限公司 一种合成甲缩醛的工艺
CN104447241A (zh) * 2014-11-20 2015-03-25 赛鼎工程有限公司 一种甲缩醛与甲醇分离的工艺
CN112225650B (zh) * 2019-07-15 2023-06-06 中国石油化工股份有限公司 工业级甲缩醛提纯获得高纯度甲缩醛的精制方法
CN110776403A (zh) * 2019-11-06 2020-02-11 重庆云天化天聚新材料有限公司 一种生产高纯度甲缩醛的方法
CN113457193B (zh) * 2021-06-25 2023-01-17 济南大学 一种分离甲醇-甲缩醛-甲酸甲酯混合物的装置及方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58103331A (ja) * 1981-11-28 1983-06-20 ヘミツシエ・ウエルケ・ヒユ−ルス・アクチエンゲゼルシヤフト 純粋なメチラ−ルの取得方法
JPH0356134A (ja) * 1990-06-28 1991-03-11 Asahi Chem Ind Co Ltd 反応蒸留装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1127339B (de) * 1960-11-22 1962-04-12 Wacker Chemie Gmbh Verfahren zur Gewinnung von alkohol- und wasserfreien Acetalen durch extraktive Destillation
JPS56147739A (en) * 1980-04-17 1981-11-16 Seitetsu Kagaku Co Ltd Purification of methylal
US4421535A (en) * 1982-05-03 1983-12-20 El Paso Hydrocarbons Company Process for recovery of natural gas liquids from a sweetened natural gas stream

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58103331A (ja) * 1981-11-28 1983-06-20 ヘミツシエ・ウエルケ・ヒユ−ルス・アクチエンゲゼルシヤフト 純粋なメチラ−ルの取得方法
JPH0356134A (ja) * 1990-06-28 1991-03-11 Asahi Chem Ind Co Ltd 反応蒸留装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101302143B (zh) * 2007-05-10 2012-05-23 南京林业大学 工业级甲缩醛的提纯方法

Also Published As

Publication number Publication date
EP0785182A4 (enrdf_load_stackoverflow) 1997-08-27
DE69514535D1 (de) 2000-02-17
WO1996011178A1 (fr) 1996-04-18
JPH08104659A (ja) 1996-04-23
US6160185A (en) 2000-12-12
JP2786823B2 (ja) 1998-08-13
CN1160392A (zh) 1997-09-24
DE69514535T2 (de) 2000-08-10
EP0785182B1 (en) 2000-01-12
EP0785182A1 (en) 1997-07-23

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